45/150 mm Decking Sheet: What Should Engineers Compare?
The 45/150 mm profile should not be selected only because it is a smaller or lighter profile. The important factors are deck span, sheet thickness, concrete depth, construction load and the required support spacing. A 45 mm profile can be a practical choice when the floor design does not require the deeper 75 mm deck profile.
45/150 vs 75/300
Factor
45/150 mm
75/300 mm
Profile depth
45 mm
75 mm
Profile width
150 mm
300 mm
Overall deck depth
Lower
Higher
Material requirement
Often more economical for suitable spans
More material / deeper section
Best selection
Based on span & load
Based on span & load
Important: The table is for comparing profile geometry, not declaring one profile universally better. Final selection should follow the structural design.
